ADT to MST

Atlantic Daylight Time

Atlantic Daylight Time (ADT)

ADT is 3 hours behind Universal Time (UTC-3)

↑ ↓

Mountain Standard Time

Mountain Standard Time (MST)

MST is 7 hours behind Universal Time (UTC-7)

ADT to MST Time Conversion

When it is 12:00 PM in ADT, it is 8:00 AM in MST.

📞The best time to schedule a call is between 1 PM and 5 PM in ADT, which is between 9 AM and 1 PM in MST.

Time difference between ADT and MST

ADT is 4 hours ahead of MST.

🕐 Subtract 4 hours from ADT time to get MST time.

ADT uses 3 hours behind Universal Time (UTC-3) and MST uses 7 hours behind Universal Time (UTC-7).

ADT to MST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between ADT and MST.

ADT Time		MST Time
12 AM ADT Time	↔	8 PM MST Time
1 AM ADT Time	↔	9 PM MST Time
2 AM ADT Time	↔	10 PM MST Time
3 AM ADT Time	↔	11 PM MST Time
4 AM ADT Time	↔	12 AM MST Time
5 AM ADT Time	↔	1 AM MST Time
6 AM ADT Time	↔	2 AM MST Time
7 AM ADT Time	↔	3 AM MST Time
8 AM ADT Time	↔	4 AM MST Time
9 AM ADT Time	↔	5 AM MST Time
10 AM ADT Time	↔	6 AM MST Time
11 AM ADT Time	↔	7 AM MST Time

ADT Time		MST Time
12 PM ADT Time	↔	8 AM MST Time
1 PM ADT Time	↔	9 AM MST Time
2 PM ADT Time	↔	10 AM MST Time
3 PM ADT Time	↔	11 AM MST Time
4 PM ADT Time	↔	12 PM MST Time
5 PM ADT Time	↔	1 PM MST Time
6 PM ADT Time	↔	2 PM MST Time
7 PM ADT Time	↔	3 PM MST Time
8 PM ADT Time	↔	4 PM MST Time
9 PM ADT Time	↔	5 PM MST Time
10 PM ADT Time	↔	6 PM MST Time
11 PM ADT Time	↔	7 PM MST Time

ADT to MST - Frequently Asked Questions

Q

What is the time difference between ADT and MST?

A

ADT is 4 hours ahead of MST.

Q

Is ADT ahead of or behind MST?

A

ADT is ahead of MST by 4 hours.

Q

When it is 9:00 AM in ADT, what time is it in MST?

A

It is 5:00 AM in MST.

Convert ADT Time to Popular Time Zones

Convert Time in Popular Time Zones to MST